Am working on NUCLEO STM32F401RE , so after debugging the code, am facing this issue. Please advise for this, so i can work speedy. Target no device found Error in initializing ST-LINK device. Reason: No device found on target.

[kabid.1]

STMicroelectronics ST-LINK GDB server. Version 7.0.0

Copyright (c) 2022, STMicroelectronics. All rights reserved.

Starting server with the following options:

    Persistent Mode      : Disabled

    Logging Level       : 1

    Listen Port Number     : 61234

    Status Refresh Delay    : 15s

    Verbose Mode        : Disabled

    SWD Debug         : Enabled

    InitWhile         : Enabled

Target no device found

Error in initializing ST-LINK device.

Reason: No device found on target.

[Imen.D]

Hallo @kabid.1​ ,

I advise you to refer to this FAQ: How to solve debugger connection issues.

Check if all jumpers are correctly configured.

Try using latest release of STM32Cubeprogrammer, and make sure to upgrade the ST-LINK/V2-1 firmware.

Try connect to "Under reset" mode.

When your question is answered, please close this topic by choosing Select as Best. This will help other users find that answer faster.

Imen